.layout {
    border: 1px solid #d7dde4;
    background: #f5f7f9;
    position: relative;
    border-radius: 4px;
    overflow-y:auto;
    // height: 100vh;
    width: 100vw;
}
.layout-header-bar {
    background: #fff;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}
.layout-logo-left {
    width: 90%;
    height: 30px;
    background: #5b6270;
    border-radius: 3px;
    margin: 15px auto;
}
.menu-icon {
    transition: all 0.3s;
}
.rotate-icon {
    transform: rotate(-90deg);
}
.menu-item span {
    display: inline-block;
    overflow: hidden;
    width: 100px;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: bottom;
    transition: width 0.2s ease 0.2s;
}
.menu-item i {
    transform: translateX(0px);
    transition: font-size 0.2s ease, transform 0.2s ease;
    vertical-align: middle;
    font-size: 16px;
}
.collapsed-menu span {
    width: 0px;
    transition: width 0.2s ease;
}
.collapsed-menu i {
    transform: translateX(5px);
    transition: font-size 0.2s ease 0.2s, transform 0.2s ease 0.2s;
    vertical-align: middle;
    font-size: 22px;
}
